&e's cost to maintain the electricity system. it's a mandate that obliges pg&e to buy more renewable energy for its power grid. >>> we'll be right back on the kron 4 morning news. erica is getting warmed up for another round of weather. she tells us rain is possibly headed our way in two days. she'll tell us how much rain is expected. here's walnut creek, lots of people probably headed home or already home, thankfully. hope they they all made it safely. >>> the fda approved johnson and johnson thank you berk low sis drug. the agency approved the bill for use with older drugs to fight a hard to treat strain of thank you burk low sis that has not responded to other medications. the disease is rare but kills millions of people worldwide. the american academy of pediatrics says recess is part of a children's day. the fact that it should never be taken away as punishment because it's when they recharge their brains. kids lives are so structured. unstructured but supervised play is important for students' creativity and well-being. it was publicked and released online today. >>> time now is 4:46.